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Some Natural Phenomena

Question

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State True or False

Lightning is due to a sudden flow of electric charge from one cloud to another.

Solution

A. TRUE

Some More Questions From Some Natural Phenomena Chapter

Write T against true and F against false in the following statements:

A charged glass rod attract a charged plastic straw.

Write T against true and F against false in the following statements:

Lightning conductor cannot protect a building from lightning.

Write T against true and F against false in the following statements:

Earthquakes can be predicted in advance.

Sometime, a crackling sound is heard while taking off sweater during winters. Explain.

Explain why a charged body loses its charge if we touch it with our hand.

Name the scale on which the destructive energy of an earthquake is measured. An earthquake measures 3 on this scale. Would it be recorded by a seismograph? Is it likely to cause much damage?

Suggest three measures to protect ourselves from lightning.

Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?

Describe with the help of a diagram an instrument which can be used to detect a charged body.

If two pens made of the same material are rubbed against dry hair and brought closer to each other, will they attract or repel each other?

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